A conjunction is a word one uses two sentences link sentences that is why mutual results, as well as because and we therefore can be used instead of a page, and so therefore often use the comma (,).
Conjunctions are used to connect one of the two sentences are logically the same as each other, and because we can not, and so therefore the front therefore often used (,) comma customers.
A conjunction one holds the two sentences at present each other as well as because and we can use therefore. Instead so. And the face therefore often use (,) comma always.